Website
Environmental Chemistry

Periodic Table of Elements: Gallium

For Students 9th - 10th
A very detailed look at the element Gallium, a member of the Boron Group.
Website
Environmental Chemistry

Periodic Table of Elements: Indium

For Students 9th - 10th
A very detailed look at the element Indium, a member of the Boron Group.
Website
Environmental Chemistry

Periodic Table of Elements: Thallium

For Students 9th - 10th
A very detailed look at the element Thallium, a member of the Boron Group.
eBook
Estrella Mountain Community College

Online Biology Book: Chemistry I: Atoms and Molecules

For Students 9th - 10th
In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.
eBook
Crescent Public Schools

The Internet Science Room: Formula Mass Calculations

For Students 9th - 10th
This chemistry tutorial helps students understand that formula mass is the total of all the atomic masses of a chemical formula.
Unit Plan
State University of New York

State University of New York: Binding Energy

For Students 9th - 10th
This simulation allows students to understand relative binding energy.
Handout
Other

Chemistry Resources: The Elements: Alkali Metals

For Students 9th - 10th
This subtable lists and describes the six alkali metals of the periodic table of Elements. Related links are provided.
PPT
Sophia Learning

Sophia: Modern Periodic Law: Lesson 2

For Students 9th - 10th
This lesson will define the Modern Period Law. It is 2 of 3 in the series titled "Modern Periodic Law."
Unit Plan
Sophia Learning

Sophia: Characteristics of Elements

For Students 9th - 10th
A podcast [0:39] describing the main characteristics of chemical elements, including the importance of a chemical symbol, atomic number, and atomic mass.
PPT
Sophia Learning

Sophia: Molar Mass of an Element

For Students 9th - 10th
Through this short tutorial, learn how to use the periodic table of elements to determine the molar mass of elements.
Unit Plan
CK-12 Foundation

Ck 12: Atoms to Molecules

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Examine the composition of matter.
Handout
Lawrence Berkeley National Laboratory

Berkeley Lab: Basic Nuclear Science Information

For Students 9th - 10th
Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.
Handout
Wikimedia

Wikipedia: Atomic Number

For Students 9th - 10th
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
Unit Plan
Sophia Learning

Sophia: Modern Periodic Law: Lesson 3

For Students 9th - 10th
This lesson will define the Modern Period Law. It is 3 of 3 in the series titled "Modern Periodic Law."
PPT
Sophia Learning

Sophia: Atomic Mass: Lesson 3

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 3 of 4 in the series titled "Atomic Mass."
Unit Plan
Sophia Learning

Sophia: Atomic Mass: Lesson 4

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. Module includes a slideshow and a quiz.
Unit Plan
Sophia Learning

Sophia: Atomic Mass: Lesson 1

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 1 of 4 in the series titled "Atomic Mass."
Unit Plan
Sophia Learning

Sophia: Modern Periodic Law: Lesson 1

For Students 9th - 10th
This lesson will define the Modern Period Law. It is 1 of 3 in the series titled "Modern Periodic Law."
Unit Plan
Sophia Learning

Sophia: Atomic Mass: Lesson 2

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 2 of 4 in the series titled "Atomic Mass."
Interactive
California State University

California State University: Proton, Electron, Neutron

For Students 9th - 10th
An interesting and useful tool to practice recognition/calculation of atomic number, mass, and number of neutrons, electrons, etc. Can be used with all elements.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: Structure of an Atom

For Students 2nd - 8th
An atom is made of three parts - protons, neutrons, and electrons. Here you can explore these different parts.